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An atomic clock with 10(-18) instability.
Hinkley N, Sherman JA, Phillips NB, Schioppo M, Lemke ND, Beloy K, Pizzocaro M, Oates CW, Ludlow AD. Hinkley N, et al. Among authors: sherman ja. Science. 2013 Sep 13;341(6151):1215-8. doi: 10.1126/science.1240420. Epub 2013 Aug 22. Science. 2013. PMID: 23970562
p-Wave cold collisions in an optical lattice clock.
Lemke ND, von Stecher J, Sherman JA, Rey AM, Oates CW, Ludlow AD. Lemke ND, et al. Among authors: sherman ja. Phys Rev Lett. 2011 Sep 2;107(10):103902. doi: 10.1103/PhysRevLett.107.103902. Epub 2011 Aug 30. Phys Rev Lett. 2011. PMID: 21981504
Optical-Clock-Based Time Scale.
Yao J, Sherman JA, Fortier T, Leopardi H, Parker T, McGrew W, Zhang X, Nicolodi D, Fasano R, Schäffer S, Beloy K, Savory J, Romisch S, Oates C, Diddams S, Ludlow A, Levine J. Yao J, et al. Among authors: sherman ja. Phys Rev Appl. 2019;12(4):https://doi.org/10.1103/physrevapplied.12.044069. Phys Rev Appl. 2019. PMID: 33102625 Free PMC article.
Atomic clock with 1×10(-18) room-temperature blackbody Stark uncertainty.
Beloy K, Hinkley N, Phillips NB, Sherman JA, Schioppo M, Lehman J, Feldman A, Hanssen LM, Oates CW, Ludlow AD. Beloy K, et al. Among authors: sherman ja. Phys Rev Lett. 2014 Dec 31;113(26):260801. doi: 10.1103/PhysRevLett.113.260801. Epub 2014 Dec 24. Phys Rev Lett. 2014. PMID: 25615296
Usage Analysis of the NIST Internet Time Service.
Sherman JA, Levine J. Sherman JA, et al. J Res Natl Inst Stand Technol. 2016 Mar 8;121:33-46. doi: 10.6028/jres.121.003. eCollection 2016. J Res Natl Inst Stand Technol. 2016. PMID: 34434614 Free PMC article.
Coherent optical clock down-conversion for microwave frequencies with 10-18 instability.
Nakamura T, Davila-Rodriguez J, Leopardi H, Sherman JA, Fortier TM, Xie X, Campbell JC, McGrew WF, Zhang X, Hassan YS, Nicolodi D, Beloy K, Ludlow AD, Diddams SA, Quinlan F. Nakamura T, et al. Among authors: sherman ja. Science. 2020 May 22;368(6493):889-892. doi: 10.1126/science.abb2473. Science. 2020. PMID: 32439794
1,502 results